Join Web3 Developers Underground Israel for a power-packed live session featuring Ben Kaufman and Ben Weinberg, two of the sharpest minds in Web3 infrastructure, sharing the stage for the first time.
🧠 What You’ll Learn
Part 1 – Bitcoin Multisig with Ben Kaufman
Go deep into the mechanics of Bitcoin multisig, from protocol-level theory to real-world wallet operations. Whether you’re building for self-custody, security infrastructure, or just want to understand how serious Bitcoin users manage risk—this is your masterclass.
• How Bitcoin multisig works at the protocol level
• Common wallet setups and real-world custody architectures
• Creating and managing multisig wallets step-by-step
• Threat models, security best practices, and operational risks
• Tools, libraries, and frameworks used in production
• Common mistakes when implementing multisig
Part 2 – Cross-Chain Tokens with Ben Weinberg
Learn how tokens actually move across chains in production. Ben will break down the SUI ↔️ EVM bridge architecture, messaging standards, and how Interop Labs is building the future of cross-chain token interoperability.
• How cross-chain token transfers work in practice
• Architecture behind SUI ↔️ EVM interoperability
• Standards, bridges, and messaging layers involved
• Security assumptions & common attack surfaces
• Live walkthrough of Interop Labs tooling
• Real-world examples of production cross-chain apps
👤 About the Speakers
Ben Kaufman – Open-source contributor, Bitcoin infrastructure specialist, and leading voice on multisig security. If you’re building secure systems in Bitcoin, you’ve probably learned something from him.
Follow on X → @_benkaufman
Ben Weinberg – Developer Advocate at Interop Labs, known for making cross-chain tooling accessible and production-ready. His work bridges chains, developers, and infrastructure together.
Connect on LinkedIn → Ben Weinberg
Powered by Masterkey Venture Capital, a global early-stage fund investing in top-tier innovative deep tech and Web3 infrastructure projects. With a strategic presence in key crypto hubs worldwide, we are uniquely positioned to drive technological advancements within global ecosystems. Backed by nearly 50 years of combined expertise in advanced infrastructure, novel cryptography, cybersecurity, and energy solutions, our team is dedicated to empowering the entrepreneurs shaping the future of blockchain technology.
The event will be live on X, YouTube, and LinkedIn.
Stay Connected
🐦 Twitter: https://x.com/Web3_Devs
📌 Telegram: https://t.me/web3devs_underground
🌐 Website: https://www.web3devs.org/
🔗 Linktree: https://linktr.ee/web3devsunderground
📺 YouTube: https://www.youtube.com/@web3devsunderground
Wednesday, December 3, 2025
🕔 Time: 5:00 PM – 8:00 PM IST
📍 Online
✨ Web3 Developer Underground Israel is for those who are keen on developing and coding groundbreaking Web3 projects, smart contracts, and exploring the vast capabilities of related technologies.
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